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Gemstones, Minerals & Fossils
Meteorites
Anybody researched impact sites then gone out looking for meteorites?
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<blockquote data-quote="aaron.cavosie" data-source="post: 559427" data-attributes="member: 18570"><p>Hi folks,</p><p></p><p>I just stumbled across this forum, and very much enjoy the topic. I'm not a meteorite hunter, but I do hunt for impact craters for a living. I've been a Senior Research Fellow in the Space Science and Technology Centre at Curtin Uni in Perth since 2015. I can't post links yes (since I'm new to the forum), but if you google 'Curtin Cavosie' you'll find my staff page. I was one of the senior authors on the 2020 Nature paper about the Yarrabubba crater, and in 2019 we published articles providing confirmation of two impact craters: Yallallie in WA, and one called Pantasma in Nicaragua. </p><p></p><p>If any of you think you've found a bona fide impact crater, and are interested in have it examined by a planetary scientist who does this for a living, send me an email. If it ends up being legit, you'll get to share in all the glory of publishing a scientific paper with your name on it. What's involved it confirming craters? A lot of work, actually. Usually it requires at least one site visit, see what rocks are exposed, hope that ones are present that record something definitive about the impact history, and then do a lot of microscopy (transmitted light & electron microscopy) to search for and document diagnostic evidence (shocked minerals, evidence of dissolved impactor in melts, etc.). Sometimes we get lucky and find the right minerals to date the impact event, but that doesn't happen in all cases due to erosion, burial, etc.</p><p></p><p>As a side note, one of my PhD students is just finishing a review paper on the record of impact craters in Australia. Hopefully it will come out by the end of the year. I'll drop a note to this forum when its out. </p><p></p><p>Cheers, Aaron</p></blockquote><p></p>
[QUOTE="aaron.cavosie, post: 559427, member: 18570"] Hi folks, I just stumbled across this forum, and very much enjoy the topic. I'm not a meteorite hunter, but I do hunt for impact craters for a living. I've been a Senior Research Fellow in the Space Science and Technology Centre at Curtin Uni in Perth since 2015. I can't post links yes (since I'm new to the forum), but if you google 'Curtin Cavosie' you'll find my staff page. I was one of the senior authors on the 2020 Nature paper about the Yarrabubba crater, and in 2019 we published articles providing confirmation of two impact craters: Yallallie in WA, and one called Pantasma in Nicaragua. If any of you think you've found a bona fide impact crater, and are interested in have it examined by a planetary scientist who does this for a living, send me an email. If it ends up being legit, you'll get to share in all the glory of publishing a scientific paper with your name on it. What's involved it confirming craters? A lot of work, actually. Usually it requires at least one site visit, see what rocks are exposed, hope that ones are present that record something definitive about the impact history, and then do a lot of microscopy (transmitted light & electron microscopy) to search for and document diagnostic evidence (shocked minerals, evidence of dissolved impactor in melts, etc.). Sometimes we get lucky and find the right minerals to date the impact event, but that doesn't happen in all cases due to erosion, burial, etc. As a side note, one of my PhD students is just finishing a review paper on the record of impact craters in Australia. Hopefully it will come out by the end of the year. I'll drop a note to this forum when its out. Cheers, Aaron [/QUOTE]
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Gemstones, Minerals & Fossils
Meteorites
Anybody researched impact sites then gone out looking for meteorites?
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